Mass measles immunization in Los Angeles County.
D002140:California; D002648:Child; D002675:Child, Preschool; D004196:Disease Outbreaks; D004470:Economics, Medical; D005260:Female; D006266:Health Education; D006801:Humans; D007114:Immunization; D007223:Infant; D008297:Male; D008457:Measles / Q000453:epidemiology / Q000517:prevention & control*; D008458:Measles Vaccine; D011159:Population Surveillance; D011314:Preventive Health Services; D011635:Public Health Administration
D008458:Measles Vaccine